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Shandong Xingshun New Material Co., Ltd.

Xingshun's expertise and flexibility have made the company become one of the leading manufacturer of Naphthalene series, Biphenylseries The company is committed to research, develop, produce and sale fine chemicals and pharmaceutical intermediat

Buy High-purity 2,7-Dihydroxy-9-fluorenone best price

Cas:42523-29-5

Min.Order:1 Kilogram

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Type:Manufacturers

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Ality Chemical Corporation

2,7-Dihydroxy-9-fluorenone Basic information Product Name: 2,7-Dihydroxy-9-fluorenone Synonyms: http://www.linchuanchem.com/product-e41.htm;2,7-DIHYDROXY-9-FLUORENONE;2,7-DIHYDROXYFLUORENONE;2,7-DIHYDROXY-9-FLUORENONE 98%;2,7-Dihydroxy-9H-fluoren-9

Factory Supply 2,7-Dihydroxyfluorenone

Cas:42523-29-5

Min.Order:1 Gram

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Type:Other

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Luyunjia Chemistry Xiamen Limited

Luyunjia Chemistry Xiamen Limited is a high-tech company specializing in R&D and manufacturing of photoinitiators monomers and oligomers, UV absorbers and pharmaceutical intermediates, and pharmaceutical intermediates of generic drug. and has a h

hight quality 2,7-Dihydroxy-9-Fluorene

Cas:42523-29-5

Min.Order:1 Kilogram

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Type:Lab/Research institutions

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Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities

2,7-Dihydroxy-9-fluorenone Manufacturer/High quality/Best price/In stock

Cas:42523-29-5

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality 2,7-Dihydroxy-9-Fluorenone supplier in China

Cas:42523-29-5

Min.Order:0 Metric Ton

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Type:Manufacturers

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Jinan Finer Chemical Co., Ltd

Product Description Product Name 2,7-Dihydroxy-9-fluorenone CAS No. 42523-29-5 Appearance Brown-red crystalline powder Assay ≥99% Capacity 100mt/year Min.packing

2,7-Dihydroxy-9-fluorenone

Cas:42523-29-5

Min.Order:1 Gram

FOB Price: $354.0

Type:Lab/Research institutions

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Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

We can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need CMO

2,7-Dihydroxy-9-fluorenone manufacturer/supplier

Cas:42523-29-5

Min.Order:1 Gram

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Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

2,7-Dihydroxy-9-fluorenone CAS 42523-29-5 Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Feed additives, Fine chemicals i

2,7-Dihydroxy-9-fluorenone CAS 42523-29-5

Cas:42523-29-5

Min.Order:10 Kilogram

FOB Price: $10.0

Type:Trading Company

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Henan Allgreen Chemical Co.,Ltd

The company has a professional R & D team, mature technology, very competitive prices and stable high quality products for customers to order high quality and low price product efforts! Appearance:White or off-white Solid Storage:Sealed, dry, m

2,7-Dihydroxy-9-fluorenone

Cas:42523-29-5

Min.Order:1 Kilogram

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Type:Manufacturers

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Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

High Quality 99% 42523-29-5 2,7-Dihydroxy-9-fluorenone Manufacturer

Cas:42523-29-5

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Chemwill Asia Co., Ltd.

CHemwill -- 2,7-Dihydroxy-9-fluorenone

Cas:42523-29-5

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Manufacturers

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Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufactu

2, 7 -Dihydroxy-9-Fluorenone CAS No. 42523-29-5

Cas:42523-29-5

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

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Henan Tianfu Chemical Co., Ltd.

Henan Tianfu Chemical Co., Ltd. is located in Zhengzhou High-tech Development Zone with import and export license. We passed ISO 9001:2008 in 2009, and won "High-tech Enterprise" by provincial government in 2013.The objective of the com

TIANFU-CHEM - 2,7-Dihydroxy-9-fluorenone

Cas:42523-29-5

Min.Order:1 Gram

FOB Price: $1000.0

Type:Lab/Research institutions

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Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Factory direct supply CAS 42523-29-5 with best quality

Cas:42523-29-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Product name: 2,7-Dihydroxy-9-fluorenone CAS : 42523-29-5 Appearance: Dark red crystal Content: 99% Appearance:White powder Storage:Store in cool and dry place, away from sun light. Package:25kg/drum Application:Organic synthesis Transportation:By se

2,7-Dihydroxy-9-fluorenone CAS:42523-29-5

Cas:42523-29-5

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Henan Wentao Chemical Product Co., Ltd.

We are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED

2,7-Dihydroxy-9-fluorenoneCAS NO.: 42523-29-5

Cas:42523-29-5

Min.Order:1 Gram

FOB Price: $2.0

Type:Lab/Research institutions

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Leader Biochemical Group

About Product Details -Dihydroxy-fluoren-9-one;2,7-Dihydroxy-9-fluo;7-Dihydroxy-9-fluorenone CAS: 42523-29-5

China Biggest factory Manufacturer Supply 2,7-Dihydroxy-9-fluorenone CAS 42523-29-5

Cas:42523-29-5

Min.Order:1 Kilogram

FOB Price: $3.0 / 10.0

Type:Lab/Research institutions

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Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

2,7-Dihydroxy-9-fluorenone 42523-29-5

Cas:42523-29-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

2,7-Dihydroxy-9-fluorenone CAS:42523-29-5 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organi

2,7-Dihydroxy-9-fluorenone CAS:42523-29-5

Cas:42523-29-5

Min.Order:1 Gram

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Type:Lab/Research institutions

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Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

2,7-Dihydroxy-9-fluorenone

Cas:42523-29-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Changchun Artel lmport and Export trade company

minimum order qty.

BEST PRICE/2,7-Dihydroxy-9-fluorenone

Cas:42523-29-5

Min.Order:10 Metric Ton

Negotiable

Type:Trading Company

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Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

2,7-Dihydroxy-9-Fluorenone

Cas:42523-29-5

Min.Order:0

Negotiable

Type:Manufacturers

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Afine Chemicals Limited

1. "Top 100 innovation-oriented export enterprises Of Hangzhou" honored by Hangzhou government 2. Specialized in the fine chemicals and pharmaceuticals 3. A leading manufacturer and trader of APIs in Chin

Hubei Jiutian Bio-medical Technology Co., Ltd

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie

42523-29-5 2,7-Dihydroxy-9-fluorenone CAS 42523-29-5

Cas:42523-29-5

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Lab/Research institutions

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Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

2,7-Dihydroxy-9-fluorenone

Cas:42523-29-5

Min.Order:0

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Type:Lab/Research institutions

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Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

High quality 2,7-Dihydroxy-9-Fluorenone

Cas:42523-29-5

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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Siwei Development Group Ltd.

Product name: 2,7-Dihydroxy-9-Fluoroenone CAS No.:42523-29-5 Molecule Formula:C13H8O3 Molecule Weight:212.20 Purity: 99% Package: 25kg/drum Description:Dark red crystalline powder Manufacture Standards:Enterprise Standard TESTING

High Quality 2,7-Dihydroxy-9-Fluoroenone in stock

Cas:42523-29-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

2,7-Dihydroxy-9-fluorenone

Cas:42523-29-5

Min.Order:1 Milligram

Negotiable

Type:Trading Company

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Hangzhou Think Chemical Co. Ltd

HANGZHOU THINK CHEMICAL CO., LTD. (THINKCHEM) is an integrative corporation of trade, research and contract manufacture. With about ten years of business experiences on the marketing & distribution, thinkchem specializes in exp

2,7-Dihydroxy-9-fluorenone 42523-29-5

Cas:42523-29-5

Min.Order:1 Kilogram

Negotiable

Type:Other

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Shanghai Minstar Chemical Co., Ltd

2,7-Dihydroxy-9-fluorenone Basic information Product Name: 2,7-Dihydroxy-9-fluorenone Synonyms: http://www.linchuanchem.com/product-e41.htm;2,7-DIHYDROXY-9-FLUORENONE;2,7-DIHYDROXYFLUORENONE;2,7-DIHYDROXY-9-FLUORENONE 98%;2,7-Dihydroxy-9H-fluor

2,7-Dihydroxy-9-fluorenone

Cas:42523-29-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Synthetic route

9-oxo-9H-fluorene-2,7-diyl diacetate
53133-99-6

9-oxo-9H-fluorene-2,7-diyl diacetate

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

Conditions
ConditionsYield
With potassium hydroxide for 2h; Heating;97.6%
4,4'-dihydroxy-biphenyl-2-carboxylic acid methyl ester
765944-63-6

4,4'-dihydroxy-biphenyl-2-carboxylic acid methyl ester

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

Conditions
ConditionsYield
With zinc(II) chloride at 110 - 120℃; for 2h;95%
Multi-step reaction with 2 steps
1: sodium hydroxide / ethanol / 78 °C
2: thionyl chloride / 79 °C
View Scheme
4,4'-dihydroxy-[1,1'-biphenyl]-2-carboxylic acid
53197-57-2

4,4'-dihydroxy-[1,1'-biphenyl]-2-carboxylic acid

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

Conditions
ConditionsYield
With zinc(II) chloride at 210℃; Neat (no solvent);90%
With zinc(II) chloride
With zinc(II) chloride at 200℃;
With thionyl chloride at 79℃; Friedel-Crafts acylation;
Multi-step reaction with 2 steps
1: sulfuric acid / methanol / 2 h / Reflux
2: zinc(II) chloride / 2 h / 110 - 120 °C
View Scheme
2,7-dimethoxy-9H-fluorenon-9-one
42523-28-4

2,7-dimethoxy-9H-fluorenon-9-one

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

Conditions
ConditionsYield
With hydrogen bromide; acetic acid In water for 12h; Reflux;87%
With hydrogen bromide In acetic acid
4-bromo-3-iodo-phenol
202865-84-7

4-bromo-3-iodo-phenol

meta-hydroxybenzaldehyde
100-83-4

meta-hydroxybenzaldehyde

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

Conditions
ConditionsYield
With palladium diacetate; potassium hydrogencarbonate; DL-Pro-NHMe In tert-Amyl alcohol at 120℃; for 24h; Inert atmosphere;74%
2,7-dihydroxy-9-oxo-fluorene-1-carboxylic acid
89450-82-8

2,7-dihydroxy-9-oxo-fluorene-1-carboxylic acid

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

Conditions
ConditionsYield
With calcium oxide melting;
Fluorenon-Tetrazonium Tetrafluoroborat

Fluorenon-Tetrazonium Tetrafluoroborat

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

Conditions
ConditionsYield
With sulfuric acid
diazotized 2.7-diamino-fluorenone

diazotized 2.7-diamino-fluorenone

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

(p-hydroxyphenyl)boronic acid
71597-85-8

(p-hydroxyphenyl)boronic acid

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: sodium carbonate / tris(dibenzylideneacetone)dipalladium(0) / 1,2-dimethoxy-ethane; H2O / 85 °C
2: sodium hydroxide / ethanol / 78 °C
3: thionyl chloride / 79 °C
View Scheme
methyl 2-bromo-5-hydroxybenzoate
154607-00-8

methyl 2-bromo-5-hydroxybenzoate

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: sodium carbonate / tris(dibenzylideneacetone)dipalladium(0) / 1,2-dimethoxy-ethane; H2O / 85 °C
2: sodium hydroxide / ethanol / 78 °C
3: thionyl chloride / 79 °C
View Scheme
3-(p-anisyl)-6-hydroxyphthalic anhydride
84185-72-8

3-(p-anisyl)-6-hydroxyphthalic anhydride

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 87 percent / AlCl3 / benzene / Heating
2: CaO / melting
View Scheme
4-Hydroxy-4'-methoxy-biphenyl-2,3-dicarboxylic acid
84185-84-2

4-Hydroxy-4'-methoxy-biphenyl-2,3-dicarboxylic acid

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 66 percent
2: 87 percent / AlCl3 / benzene / Heating
3: CaO / melting
View Scheme
2,7-dinitro-9-fluorenone
31551-45-8

2,7-dinitro-9-fluorenone

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: (i) SnCl2, HCl, AcOH, (ii) NaOH
2: aq. HBF4, NaNO2
3: aq. H2SO4
View Scheme
2,7-diaminofluoren-9-one
2915-84-6

2,7-diaminofluoren-9-one

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: aq. HBF4, NaNO2
2: aq. H2SO4
View Scheme
para-iodoanisole
696-62-8

para-iodoanisole

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: (i) Cu, (ii) aq. NaOH, MeOH
2: polyphosphoric acid
3: aq. HBr / acetic acid
View Scheme
Multi-step reaction with 2 steps
1: silver trifluoroacetate; acetic acid; 1,1,1,3',3',3'-hexafluoro-propanol / 36 h / 120 °C / Sealed tube
2: acetic acid; hydrogen bromide / water / 12 h / Reflux
View Scheme
Multi-step reaction with 2 steps
1: anthranilic acid; palladium diacetate; silver trifluoroacetate; acetic acid; 1,1,1,3',3',3'-hexafluoro-propanol / 36 h / 120 °C / Sealed tube
2: acetic acid; hydrogen bromide / water / 12 h / Reflux
View Scheme
methyl 2-bromo-5-methoxybenzoate
35450-36-3

methyl 2-bromo-5-methoxybenzoate

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: (i) Cu, (ii) aq. NaOH, MeOH
2: polyphosphoric acid
3: aq. HBr / acetic acid
View Scheme
4,4'-dimethoxy-[1,1'-biphenyl]-2-carboxylic acid
42523-25-1

4,4'-dimethoxy-[1,1'-biphenyl]-2-carboxylic acid

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: polyphosphoric acid
2: aq. HBr / acetic acid
View Scheme
9H-fluorene
86-73-7

9H-fluorene

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

Conditions
ConditionsYield
Stage #1: 9H-fluorene With aluminum (III) chloride; acetic anhydride
Stage #2: With 3-chloro-benzenecarboperoxoic acid; trifluoroacetic acid In chloroform Further stages;
Multi-step reaction with 4 steps
1.1: sulfuric acid / 100 °C
1.2: 100 °C
2.1: potassium permanganate / water / Heating
3.1: sodium hydroxide
4.1: zinc(II) chloride / 210 °C / Neat (no solvent)
View Scheme
Multi-step reaction with 5 steps
1.1: sulfuric acid / water / 2 h / 110 - 115 °C
1.2: 0.5 h / 20 °C
2.1: potassium permanganate / water / 2 h / 20 - 30 °C
3.1: potassium hydroxide; sodium hydroxide / 1 h / 270 - 300 °C
4.1: sulfuric acid / methanol / 2 h / Reflux
5.1: zinc(II) chloride / 2 h / 110 - 120 °C
View Scheme
9H-fluorene-2,7-disulfonic acid dipotassium salt
13354-15-9

9H-fluorene-2,7-disulfonic acid dipotassium salt

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: potassium permanganate / water / Heating
2: sodium hydroxide
3: zinc(II) chloride / 210 °C / Neat (no solvent)
View Scheme
Multi-step reaction with 4 steps
1: potassium permanganate / water / 2 h / 20 - 30 °C
2: potassium hydroxide; sodium hydroxide / 1 h / 270 - 300 °C
3: sulfuric acid / methanol / 2 h / Reflux
4: zinc(II) chloride / 2 h / 110 - 120 °C
View Scheme
9-oxo-9H-fluorene-2,7-disulfonic acid dipotassium salt

9-oxo-9H-fluorene-2,7-disulfonic acid dipotassium salt

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: potassium hydroxide; sodium hydroxide / 1 h / 270 - 300 °C
2: sulfuric acid / methanol / 2 h / Reflux
3: zinc(II) chloride / 2 h / 110 - 120 °C
View Scheme
3-methoxy-benzaldehyde
591-31-1

3-methoxy-benzaldehyde

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: anthranilic acid; palladium diacetate; silver trifluoroacetate; acetic acid; 1,1,1,3',3',3'-hexafluoro-propanol / 36 h / 120 °C / Sealed tube
2: acetic acid; hydrogen bromide / water / 12 h / Reflux
View Scheme
Multi-step reaction with 3 steps
1: 1,1,1,3',3',3'-hexafluoro-propanol / 8 h / 110 °C / Inert atmosphere
2: silver trifluoroacetate; acetic acid; 1,1,1,3',3',3'-hexafluoro-propanol / 36 h / 120 °C / Sealed tube
3: acetic acid; hydrogen bromide / water / 12 h / Reflux
View Scheme
C20H16N2O3Pd

C20H16N2O3Pd

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: silver trifluoroacetate; acetic acid; 1,1,1,3',3',3'-hexafluoro-propanol / 36 h / 120 °C / Sealed tube
2: acetic acid; hydrogen bromide / water / 12 h / Reflux
View Scheme
2,7-dibromofluorene-9-one
14348-75-5

2,7-dibromofluorene-9-one

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

Conditions
ConditionsYield
With lithium hydroxide monohydrate; N1-(4-hydroxy-2,6-dimethylphenyl)-N2-(4-hydroxy-3,5-dimethylphenyl)oxalamide; copper(II) acetylacetonate In water; dimethyl sulfoxide at 120℃; for 4h;865 mg
2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

benzyl bromide
100-39-0

benzyl bromide

2,7-bis-benzoyloxy-fluoren-9-one

2,7-bis-benzoyloxy-fluoren-9-one

Conditions
ConditionsYield
With potassium carbonate In acetone for 12h; Reflux;96%
1-bromo-octane
111-83-1

1-bromo-octane

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

2,7-dioctyloxyfluoren-9-one

2,7-dioctyloxyfluoren-9-one

Conditions
ConditionsYield
Stage #1: 2,7-dihydroxy-9H-fluoren-9-one With potassium carbonate In N,N-dimethyl-formamide at 120℃; for 1.5h;
Stage #2: 1-bromo-octane In N,N-dimethyl-formamide at 120℃; for 24h;
95%
Stage #1: 2,7-dihydroxy-9H-fluoren-9-one With potassium carbonate In N,N-dimethyl-formamide at 110℃; for 1h;
Stage #2: 1-bromo-octane In N,N-dimethyl-formamide at 110℃; for 24h;
3.92 g
[1,3]-dioxolan-2-one
96-49-1

[1,3]-dioxolan-2-one

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

2,7-bis(2-hydroxyethoxy)-9H-fluoren-9-one
129375-33-3

2,7-bis(2-hydroxyethoxy)-9H-fluoren-9-one

Conditions
ConditionsYield
With potassium carbonate at 100 - 120℃;93%
2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

aniline
62-53-3

aniline

9,9-bis(4-aminophenyl)-2,7-dihydroxyfluorenone
657862-72-1

9,9-bis(4-aminophenyl)-2,7-dihydroxyfluorenone

Conditions
ConditionsYield
With trifluorormethanesulfonic acid at 150℃; for 10h; Inert atmosphere;92.3%
With methanesulfonic acid at 150℃; for 10h;86%
With aniline hydrochloride at 180℃; for 1h;73.6%
With methanesulfonic acid at 150℃; for 10h;
With methanesulfonic acid at 150℃; for 14h;
2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

4-Fluoronitrobenzene
350-46-9

4-Fluoronitrobenzene

2,7-bis(4-nitrophenoxy)-9-fluorenone
1332524-31-8

2,7-bis(4-nitrophenoxy)-9-fluorenone

Conditions
ConditionsYield
With potassium carbonate In 1-methyl-pyrrolidin-2-one at 90℃; for 3h; Inert atmosphere;92.2%
With potassium carbonate In 1-methyl-pyrrolidin-2-one at 90℃; for 3h; Inert atmosphere;92.2%
2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

3,6-Dichloro-2,7-dihydroxyfluoren-9-one
84487-73-0

3,6-Dichloro-2,7-dihydroxyfluoren-9-one

Conditions
ConditionsYield
With sulfuryl dichloride In acetic acid at 42 - 45℃; regioselective reaction;90%
With sulfuryl dichloride; acetic acid at 42 - 45℃; for 0.666667h; Inert atmosphere;90.2%
With sulfuryl dichloride In acetic acid at 45℃; for 0.5h;82%
2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

ethyl iodide
75-03-6

ethyl iodide

2,7-diethoxy-fluoren-9-one
303735-64-0

2,7-diethoxy-fluoren-9-one

Conditions
ConditionsYield
With potassium carbonate In acetone Heating;90%
2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

methyl iodide
74-88-4

methyl iodide

2,7-dimethoxy-9H-fluorenon-9-one
42523-28-4

2,7-dimethoxy-9H-fluorenon-9-one

Conditions
ConditionsYield
With potassium carbonate In acetone for 4h; Heating;90%
With potassium carbonate In N,N-dimethyl-formamide at 55℃; for 6h;80%
With sodium hydroxide In dimethyl sulfoxide for 3h;65%
2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

1,2-dichloro-ethane
107-06-2

1,2-dichloro-ethane

2,7-bis(2-chloroethoxy)fluoren-9-one
28686-75-1

2,7-bis(2-chloroethoxy)fluoren-9-one

Conditions
ConditionsYield
With tetrabutyl-ammonium chloride; sodium hydroxide In water at 75℃; for 24h;87%
2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

phenol
108-95-2

phenol

2,7-dihydroxy-9,9-bis(4-hydroxyphenyl)fluorene

2,7-dihydroxy-9,9-bis(4-hydroxyphenyl)fluorene

Conditions
ConditionsYield
With 3-mercaptopropionic acid at 90 - 120℃; Green chemistry;85.6%
2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

2-chloro-N,N-diethylethylamine hydrochloride
869-24-9

2-chloro-N,N-diethylethylamine hydrochloride

2,7-bis(2-[diethylamino]ethoxy)-9-fluorenone
27591-97-5

2,7-bis(2-[diethylamino]ethoxy)-9-fluorenone

Conditions
ConditionsYield
With potassium hydroxide In water; toluene for 8h; Reflux;85%
With potassium hydroxide In water; toluene for 24h; Reflux;72%
With potassium hydroxide In toluene
With potassium hydroxide; trimethylbenzylammonium bromide In toluene
With potassium hydroxide In water; toluene for 24h; Reflux;
2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

1-iodo-propane
107-08-4

1-iodo-propane

2,7-dipropoxyfluoren-9-one

2,7-dipropoxyfluoren-9-one

Conditions
ConditionsYield
With potassium carbonate In acetone Heating;85%
1-bromo-butane
109-65-9

1-bromo-butane

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

2,7-dibutoxyl-9H-fluoren-9-one

2,7-dibutoxyl-9H-fluoren-9-one

Conditions
ConditionsYield
With potassium carbonate In acetone at 60℃; for 20h; Inert atmosphere;84%
2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

bromoacetic acid methyl ester
96-32-2

bromoacetic acid methyl ester

2,7-bis(methoxycarbonylmethoxy)fluoren-9-one
123305-05-5

2,7-bis(methoxycarbonylmethoxy)fluoren-9-one

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide for 0.5h; Heating;83%
2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

1,3-chlorobromopropane
109-70-6

1,3-chlorobromopropane

2,7-bis(3-chloropropoxy)fluoren-9-one

2,7-bis(3-chloropropoxy)fluoren-9-one

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 24h;83%
2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

ethane-1,2-dithiol
540-63-6

ethane-1,2-dithiol

2,7-dihydroxyfluoren-9-(1,3-dithiolane)
129395-16-0

2,7-dihydroxyfluoren-9-(1,3-dithiolane)

Conditions
ConditionsYield
With aluminium trichloride In 1,4-dioxane at 50℃; for 2.5h;82%
n-butyl bromoacetate
18991-98-5

n-butyl bromoacetate

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

(7-Butoxycarbonylmethoxy-9-oxo-9H-fluoren-2-yloxy)-acetic acid butyl ester
123278-11-5

(7-Butoxycarbonylmethoxy-9-oxo-9H-fluoren-2-yloxy)-acetic acid butyl ester

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide for 0.5h; Heating;80%
2-(2-(2-(2-chloroethoxy)ethoxy)ethoxy)ethanol
5197-66-0

2-(2-(2-(2-chloroethoxy)ethoxy)ethoxy)ethanol

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

2,7-bis(2-{2-[2-(2-hydroxyethoxy)ethoxy]ethoxy}ethoxy)-9H-fluoren-9-one
844638-09-1

2,7-bis(2-{2-[2-(2-hydroxyethoxy)ethoxy]ethoxy}ethoxy)-9H-fluoren-9-one

Conditions
ConditionsYield
Stage #1: 2,7-dihydroxy-9H-fluoren-9-one With potassium carbonate; sodium iodide In N,N-dimethyl-formamide at 80℃; for 1h;
Stage #2: 2-(2-(2-(2-chloroethoxy)ethoxy)ethoxy)ethanol In N,N-dimethyl-formamide at 80℃; for 35h;
80%
Stage #1: 2,7-dihydroxy-9H-fluoren-9-one With potassium carbonate; sodium iodide In N,N-dimethyl-formamide at 60℃; for 1h;
Stage #2: 2-(2-(2-(2-chloroethoxy)ethoxy)ethoxy)ethanol In N,N-dimethyl-formamide at 80℃; for 35h;
80%
With potassium carbonate; sodium iodide In N,N-dimethyl-formamide at 80℃; for 35h;80%
14-chloro-3,6,9,12-tetraoxatetradecanol
5197-67-1

14-chloro-3,6,9,12-tetraoxatetradecanol

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

2,7-bis(15-hydroxy-1,4,7,10,13-pentaoxapentadecyl)-9H-fluoren-9-one
1062593-11-6

2,7-bis(15-hydroxy-1,4,7,10,13-pentaoxapentadecyl)-9H-fluoren-9-one

Conditions
ConditionsYield
With potassium hydroxide; sodium iodide In ethanol for 50h; Heating;80%
2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

phenylhydrazine
100-63-0

phenylhydrazine

2,7-Dihydroxy-9-fluorenone phenylhydrazone
84487-74-1

2,7-Dihydroxy-9-fluorenone phenylhydrazone

Conditions
ConditionsYield
In ethanol for 4h;79%
2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

(2,4-dinitro-phenyl)-hydrazine
119-26-6

(2,4-dinitro-phenyl)-hydrazine

9-[(2,4-dinitro-phenyl)-hydrazono]-9H-fluorene-2,7-diol

9-[(2,4-dinitro-phenyl)-hydrazono]-9H-fluorene-2,7-diol

Conditions
ConditionsYield
With sulfuric acid In methanol at 50℃; for 0.5h;78%
2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

2-(2-Chloroethoxy)ethanol
628-89-7

2-(2-Chloroethoxy)ethanol

2,7-bis[2-(2-hydroxyethoxy)ethoxy]-9H-fluoren-9-one
299167-98-9

2,7-bis[2-(2-hydroxyethoxy)ethoxy]-9H-fluoren-9-one

Conditions
ConditionsYield
Stage #1: 2,7-dihydroxy-9H-fluoren-9-one With potassium carbonate; sodium iodide In N,N-dimethyl-formamide at 80℃; for 1h;
Stage #2: 2-(2-Chloroethoxy)ethanol In N,N-dimethyl-formamide at 80℃; for 35h;
78%
Stage #1: 2,7-dihydroxy-9H-fluoren-9-one With potassium carbonate; sodium iodide In N,N-dimethyl-formamide at 60℃; for 1h;
Stage #2: 2-(2-Chloroethoxy)ethanol In N,N-dimethyl-formamide at 80℃; for 35h;
78%
With potassium carbonate In N,N-dimethyl-formamide at 80 - 85℃; for 30h;78%
With potassium carbonate; sodium iodide In N,N-dimethyl-formamide at 80℃; for 35h;78%
2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

2-chloro-ethanol
107-07-3

2-chloro-ethanol

2,7-bis(2-hydroxyethoxy)-9H-fluoren-9-one
129375-33-3

2,7-bis(2-hydroxyethoxy)-9H-fluoren-9-one

Conditions
ConditionsYield
With sodium hydroxide In water at 30 - 70℃; for 4h;78%
With sodium hydroxide In dimethyl sulfoxide at 70℃;55%
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

2,7-bis(5-bromopentoxy)fluoren-9-one

2,7-bis(5-bromopentoxy)fluoren-9-one

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 24h;78%
2-ethylhexyl bromide
18908-66-2

2-ethylhexyl bromide

2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

C29H40O

C29H40O

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 12h;78%
2,7-dihydroxy-9H-fluoren-9-one
42523-29-5

2,7-dihydroxy-9H-fluoren-9-one

3,6-Dibromo-2,7-dihydroxyfluoren-9-one
84487-72-9

3,6-Dibromo-2,7-dihydroxyfluoren-9-one

Conditions
ConditionsYield
With 1,4-dioxane dibromide at 60 - 65℃; for 0.666667h;77%

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